<template>
  <div>
    <div class="main-div">
      <router-view />
    </div>
    <van-tabbar v-model="active" @change="changeTabbar(active)">
      <van-tabbar-item icon="shop">首页 </van-tabbar-item>
      <van-tabbar-item icon="records">列表</van-tabbar-item>
      <van-tabbar-item icon="cart">购物车 </van-tabbar-item>
      <van-tabbar-item icon="contact">会员中心 </van-tabbar-item>
    </van-tabbar>
  </div>
</template>

<script>
export default {
  data () {
    return {
      active: 0,
      nowPath: '' // 当前路径
    }
  },
  created () {
    this.changeTabbarActive()
  },
  updated () {
    this.changeTabbarActive()
  },
  methods: {
    changeTabbarActive () {
      this.nowPath = this.$route.path
      if (this.nowPath === '/Cart') {
        this.active = 2
      }
    },
    changeTabbar (active) {
      console.log(active)
      switch (active) {
        case 0:
          this.$router.push({name: 'ShoppingMall'})
          break
        case 1:
          this.$router.push({name: 'CategoryList'})
          break
        case 2:
          this.$router.push({name: 'Cart'})
          break
        case 3:
          this.$router.push({name: 'ShoppingMall'})
          break
      }
    }
  }
}
</script>

<style scoped>

</style>
